<!DOCTYPE html>
<html>
<head>
    <meta charset="UTF-8">
    <!-- import CSS -->
    <link rel="stylesheet" href="css/index.css">
    <style>
        header a{
            text-decoration: none;
            color: #6c6c6c;
        }
        .el-menu{
            /*去掉自带的下边框*/
            border-bottom: 0  !important;
        }
        /*去掉内边距*/
        .el-table .el-table__cell{
            padding: 0;
        }
    </style>
</head>
<body>
<div id="app">
    <el-container>
        <el-header height="150">
            <div style="width: 1200px;margin: 0 auto">
                <img src="imgs/logo.png" style="width: 300px;vertical-align: middle" alt="">
                <span>
                    <a href="/">首页</a><el-divider direction="vertical"></el-divider>
                    <a href="">热点咨询</a><el-divider direction="vertical"></el-divider>
                    <a href="">商家入驻</a><el-divider direction="vertical"></el-divider>
                    <a href="">社会招聘</a><el-divider direction="vertical"></el-divider>
                    <a href="">校园招聘</a><el-divider direction="vertical"></el-divider>
                    <a href="">帮助</a>
                </span>
            </div>
            <!--*********蓝色导航条开始**********-->
            <div style="width: 100%;height: 60px;background-color: #82c8ec">
                <el-menu style="width: 1200px;margin: 0 auto" mode="horizontal"
                         :default-active="activeIndex" class="el-menu-demo"
                         background-color="#82c8ec"
                         text-color="#fff"
                         active-text-color="#fff"
                         @select="handleSelect">
                    <el-menu-item v-for="c in categoryArr" :index="c.id">{{c.name}}</el-menu-item>
                    <!--搜索框开始-->
                    <div style="float: right;margin-top: 11px">
                        <!--@keydown.native.enter回车键按下事件-->
                        <el-input placeholder="请输入内容" @keydown.native.enter="search()" v-model="wd" class="input-with-select">
                            <el-button slot="append" icon="el-icon-search" @click="search()"></el-button>
                        </el-input>
                    </div>
                    <!--搜索框结束-->
                </el-menu>
            </div>
            <!--*********蓝色导航条结束**********-->
        </el-header>
        <el-main style="width: 1200px;margin: 0 auto">

            <!--**********商品列表开始*********-->
            <el-row :gutter="20">
                <el-col :span="6" v-for="p in productArr">
                    <el-card>
                        <div>
                            <a :href="'/detail.html?id='+p.id">
                                <img :src="p.url" width="233" height="233" alt="">
                            </a>

                        </div>
                        <div>
                            <a :href="'/detail.html?id='+p.id">
                                <p style="font-size: 15px;margin-top: 0;height: 40px">{{p.title}}</p>
                            </a>
                            <div style="color: #666">
                                <span>￥{{p.price}}</span>
                                <s style="font-size: 12px">{{p.oldPrice}}</s>
                                <span style="float: right">销量:{{p.saleCount}}件</span>
                            </div>
                        </div>
                    </el-card>
                </el-col>
            </el-row>
            <!--**********商品列表结束*********-->
        </el-main>
        <el-footer>
            <!--margin-bottom: -30px让下面的元素盖住本元素-->
            <div style="height: 95px;background-image: url('imgs/wave.png');
            margin-bottom: -30px"></div>
            <div style="height: 100px;font-size: 14px;background-color: #3f3f3f;
            color: #b1b1b1;text-align: center;padding: 30px">
                <p>Copyright © 北京达内金桥科技有限公司版权所有 京ICP备12003709号-3 京公网安备 11010802029572号</p>
                <p>涵盖20余门课程体系，致力于打造权威的IT职业教育学习平台</p>
                <p>达内在线WWW.TMOOC.CN 专注于IT职业技能培训</p>
            </div>
        </el-footer>
    </el-container>
</div>
</body>
<!-- import Vue before Element -->
<!--引入Vue框架-->
<script src="js/vue.min.js"></script>
<!-- import JavaScript -->
<script src="js/index.js"></script>
<script src="https://cdn.bootcdn.net/ajax/libs/axios/0.21.1/axios.min.js"></script>

<script>
   let v = new Vue({
        el: '#app',
        data: function() {
            return {
                categoryArr:[],
                productArr:[],
                activeIndex:"",
                wd:""
            }
        },
       methods:{
           handleSelect(index,indexPath){
               console.log(index);
               //直接请求点击分类相关的商品
               axios.get("/product/selectByCid?cid="+index).then(function (response) {
                    v.productArr=response.data;
               })
           },
           search(){
               axios.get("product/selectByWd?wd="+v.wd).then(function (response) {
                    v.productArr=response.data;
               })
           }
       },
       created:function () {
            //发请求获取分类信息
           axios.get("/category/select").then(function (response) {
               //此处代码Vue对象早已初始化完成,因为此处是请求数据回来之后执行的代码
                v.categoryArr=response.data;
           })
           //判断地址栏中包含cid还是wd
           if (location.search.indexOf("cid")!=-1) {
               //得到地址栏中的分类id
               let cid = location.search.split("=")[1];
               //created方法是Vue对象初始化过程中调用的方法,此时Vue对象还没初始化完成
               //所以不能通过v变量进行访问,此时访问Vue对象只能通过this关键字访问
               this.activeIndex = cid;
               //发请求获取和此分类相关的商品信息
               axios.get("/product/selectByCid?cid=" + cid).then(function (response) {
                   v.productArr = response.data;
               })
           }else if (location.search.indexOf("wd")!=-1){//包含wd
               //location.search   ?wd=xxx
                axios.get("/product/selectByWd"+location.search).then(function (response) {
                    v.productArr=response.data;
                })
           }

       }
    })
</script>
</html>